<http://webisa.webdatacommons.org/prov/57504346>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/125205990> .
<http://webisa.webdatacommons.org/125205990>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/125205990>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/125205990>	<http://www.w3.org/ns/prov#value>	"If this activity is a crosspost from another system, this property specifies the ID of the original activity." .